https://www.scientificamerican.com/article/one-scientists-10-year-quest-to-calculate-the-strength-of-gravity/
One scientist’s 10-year quest to calculate the strength of gravity | Scientific American
Apr 24, 2026 - Earth’s gravitational force, g, has been known for centuries. But the exact value of G, the universal gravitational constant, is elusive
strength of gravityscientific americanoneyearquest